perfectly
Americanadverb
-
in a perfect manner or to a perfect degree.
to sing an aria perfectly.
- Synonyms:
- ideally, superbly, flawlessly
-
completely; fully; adequately.
This will suit my purpose perfectly.
He’s perfectly happy to help out.
She’s perfectly capable of making her own decision.
adverb
-
completely, utterly, or absolutely
-
in a perfect way; extremely well
Etymology
Origin of perfectly
First recorded in 1275–1325; perfect + -ly; replacing Middle English parfitly, derivative of parfit ( perfect )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He mimics Streep’s accent almost perfectly: “‘Oh, I love that.
From Los Angeles Times • Apr. 8, 2026
Ultimately, their peak years aligned perfectly with their country's finest era.
From BBC • Apr. 7, 2026
And that’s perfectly OK for them, because they won’t suffer a pang of guilt because of their decision, and they won’t actually feel better about accepting the $150 if they give half of it away.
From MarketWatch • Apr. 7, 2026
We commonly take a lost-ball penalty after stumbling across other people’s lost balls in the same area, which are perfectly playable.
From The Wall Street Journal • Apr. 5, 2026
Dad’s sitting up in the bed, fully clothed, looking perfectly normal.
From "Red Flags and Butterflies" by Sheryl Azzam
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.